题目

Section C  (25)   Directions :Write an English composition according to the instructions given below in Chinese .     假如你是某家英文报社的编辑，昨日收到一位中学生读者刘娟的来信。请根据来信内容用英语写一封不少于120字的回信。 Dear Editor, I am a hardworking girl and want to be the number one in my class. But in the exams, I always make mistakes that I should have avoided. I really worry about it. What can I do to improve my performance in exams? Wang Li Dear Liu Juan, It’s good that you know what prevents you achieving satisfying score（1）在某地做探究水沸腾实验，装置如图所示，加热一段时间，烧杯内的水翻腾，有大量气泡上升、变大，到水面破裂。这是_____现象（填物态变化名称），此时图中温度计的示数为_____。烧杯内的水是否已沸腾？_____。判断的依据是_____。（2）海拔越高，大气压越小，用同一套装置测得不同楼层的大气压值如图甲、乙所示，乙图大气压值等于_____mm 高的水银柱所产生的压强。其中_____图是放在较高楼层时的情况。